TwitIE is a named entity recognition pipeline specially tuned for use with Twitter data. It performs

Default annotations
:Person Standard named entity types
:Location
:Organization
:Date
:Address Includes email and IP addresses as well as street addresses
:Token The individual tokens of the text, with "category" feature for POS
:Emoticon Emoticons such as :-)
:Hashtag Hashtags, including the leading # character
:URL URL mentions
:UserID The username part of @user mentions, not including the leading @ sign
Additional annotations available if selected
:Money Monetary amounts
:Percent Expressions representing percentages
:SpaceToken The spaces between tokens
:Sentence Sentences detected by the sentence splitter